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Delivered during NRW Conf on 09.09.2011 in Wuppertal, Germany
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ReSTyou’re doing it
wrong!Sergey ShishkinMT AG
http://www.mt-ag.comhttp://shishkin.org@sshishkin
ReSTyou’re doing it
wrong!Sergey ShishkinMT AG
http://www.mt-ag.comhttp://shishkin.org@sshishkin
A Tale of an Ice-Cream Maker
by Sebastien Lambla
Architecture
of the web
Loose Coupling
Simplicity,Uniformity
Scalability,Performance
You MightNot Need It
/products/books/can-haz-rest
/products ? title=can-haz-rest
/Y2FuLWhhei1yZXN0%3D
Which URI is RESTful?
POST /REST.svc
<PlaceOrder> <Product> 1234 </Product> <Price> 19.90 </Price> <Qty> 2 </Qty></PlaceOrder>
POST /REST.svc{ PlaceOrder: { Product: 1234, Price: 19.90, Quantity: 2 }}
Richardson RESTMaturity Model
None
GET /REST.svc ? op=PlaceOrder & product=1234 & qty=2
URI Tunneling
POST /Orders.svc ? product=1234 & qty=2
GET idempotent, safe
POST non idempotent, unsafe
PUT idempotent, unsafe
DELETE idempotent, unsafe
HEAD idempotent, safe
OPTIONS idempotent, safe
GET /Users/1234…PUT /Users/1234{ login: bob, … userpic: {…}, settings: {…}}
Resourcesare notEntities
CRUD
CRUD
GET /Profile/SettingsPOST /Profile/Settings
POST /Profile/Image
URI Templates/products/{id}
Richardson RESTMaturity Model
URI
None
Versioning/api/v2
GET /api
Accept: application/vnd.example+xml; version=2, application/xml
Languages/de/product/1234/product/1234 ?
lang=fr
GET /product/1234
Accept-Language: de
Richardson RESTMaturity Model
HTTP
URI
None
GET /Products/1234…Content-Type: application/json{ title: can-haz-rest, price: 19.99, …}
Generic Media Types
application/atom+xml;type=feed
application/vnd.example+json
GET /Products/1234
{ title: can-haz-rest, price: 19.99,}
And What Now?
{ title: “can-haz-rest”, links: [ { rel: “buy”, link: “Product/1234/buy” } ]}
Richardson RESTMaturity Model
Hypermedia
HTTP
URI
None
It’s all about resources,
Representations,
And Hypermedia!
It’s All About Resources,
Representations, And
Hypermedia!
Beratung Projekte Schulungen
Application Lifecycle Design Entwicklung
Architektur SOA Cloud Computing
BalckeBalcke-Dürr-Allee 9, 40882 Ratingen www.mt-ag.com [email protected]
Sergey Shishkinhttp://[email protected]@sshishkin
Links & Credits• Richardson Maturity Model
– http://martinfowler.com/articles/richardsonMaturityModel.html• The Tale of the Ice-Cream Maker
– http://serialseb.blogspot.com/2009/06/fighting-for-rest-or-tale-of-ice-cream.html• REST in Practice
– http://restinpractice.com/• REST Content on InfoQ
– http://www.infoq.com/rest/
Images:– Web: http://www.flickr.com/photos/zzathras777/1546040168/– Mirrors: http://www.flickr.com/photos/coolmikeol/4156970741/– Rope: http://www.flickr.com/photos/visualpanic/2759322646/– Soup: http://www.flickr.com/photos/wallyg/562283586/– Ice-cream van: http://www.flickr.com/photos/estherase/516542355/– Ice-cream: http://www.flickr.com/photos/pinksherbet/3398923323/
